#match-button {
    width: 200px;
    height: 50px;
    font-size: 15px;
    line-height: 50px;
    color: white;
    /* background-image: linear-gradient(to right, #ed6ea0 0%, #ec8c69 100%); */
    border: none;
    outline: none;
    border-radius: 10px;
    text-align: center;
    margin-top: 20px;
    background-color: #337ab7;
    border-color: #2e6da4;
    margin-left: 110px;
}

#match-button:hover {
    background-color: #2e6da4;
    border-color: #2e6da4;
}

#match-button:active {
    background-color: gray;
}

#screen {
    width: 400px;
    height: 200px;
    font-size: 20px;
    color: white;
    border-radius: 20px;
    /*margin-bottom: 5px;*/
    text-align: center;
    line-height: 50px;
}



.container {
    width: 100%;
    height: calc(100% - 50px);

    display: flex;
    align-items: center;
    justify-content: center;
}